In Knocking on Heaven’s Door, Harvard physicist Lisa Randall gives a candid account of cutting-edge efforts to understand the universe
LISA RANDALL first encountered the phrase “knocking on heaven’s door” in 1987, at a concert featuring Bob Dylan and the Grateful Dead. She chose it as the title for this book because particle physicists are still knocking, she says.
There is no guarantee that they will ever get a satisfactory answer, though. “A great deal remains beyond the reach of current experiments – or even any experiment we can dream of,” Randall says in this lucid, warts-and-all guidebook to the…
